Mercurial > sdl-ios-xcode
annotate test/testgles.c @ 2948:31f207e27452
Re-enabled joystick support during compilation.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Thu, 01 Jan 2009 23:01:05 +0000 |
parents | f55c87ae336b |
children | 82e60908fab1 |
rev | line source |
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2765
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1 #include <stdlib.h> |
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2 #include <stdio.h> |
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3 #include <string.h> |
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4 #include <math.h> |
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5 |
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6 #include "common.h" |
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7 |
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8 #ifdef __IPHONEOS__ |
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9 #define HAVE_OPENGLES |
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10 #endif |
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11 |
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12 #ifdef HAVE_OPENGLES |
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13 |
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14 #include "SDL_opengles.h" |
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15 |
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16 static CommonState *state; |
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17 static SDL_GLContext context; |
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18 |
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19 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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20 static void |
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21 quit(int rc) |
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22 { |
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23 if (context) { |
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24 /* SDL_GL_MakeCurrent(0, NULL); *//* doesn't do anything */ |
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25 SDL_GL_DeleteContext(context); |
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26 } |
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27 CommonQuit(state); |
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28 exit(rc); |
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29 } |
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30 |
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31 static void |
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32 Render() |
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33 { |
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34 static GLubyte color[8][4] = { {255, 0, 0, 0}, |
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35 {255, 0, 0, 255}, |
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36 {0, 255, 0, 255}, |
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37 {0, 255, 0, 255}, |
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38 {0, 255, 0, 255}, |
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39 {255, 255, 255, 255}, |
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40 {255, 0, 255, 255}, |
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41 {0, 0, 255, 255} |
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42 }; |
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43 static GLfloat cube[8][3] = { {0.5, 0.5, -0.5}, |
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44 {0.5f, -0.5f, -0.5f}, |
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45 {-0.5f, -0.5f, -0.5f}, |
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46 {-0.5f, 0.5f, -0.5f}, |
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47 {-0.5f, 0.5f, 0.5f}, |
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48 {0.5f, 0.5f, 0.5f}, |
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49 {0.5f, -0.5f, 0.5f}, |
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50 {-0.5f, -0.5f, 0.5f} |
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51 }; |
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52 static GLubyte indices[36] = { 0, 3, 4, |
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53 4, 5, 0, |
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54 0, 5, 6, |
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55 6, 1, 0, |
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56 6, 7, 2, |
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57 2, 1, 6, |
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58 7, 4, 3, |
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59 3, 2, 7, |
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60 5, 4, 7, |
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61 7, 6, 5, |
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62 2, 3, 1, |
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63 3, 0, 1 |
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64 }; |
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65 |
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66 |
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67 /* Do our drawing, too. */ |
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68 glClearColor(0.0, 0.0, 0.0, 1.0); |
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69 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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70 |
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71 /* Draw the cube */ |
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72 glColorPointer(4, GL_UNSIGNED_BYTE, 0, color); |
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73 glEnableClientState(GL_COLOR_ARRAY); |
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74 glVertexPointer(3, GL_FLOAT, 0, cube); |
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75 glEnableClientState(GL_VERTEX_ARRAY); |
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76 glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices); |
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77 |
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78 glMatrixMode(GL_MODELVIEW); |
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79 glRotatef(5.0, 1.0, 1.0, 1.0); |
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80 } |
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81 |
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82 int |
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83 main(int argc, char *argv[]) |
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84 { |
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85 int fsaa, accel; |
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86 int value; |
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87 int i, done; |
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88 SDL_DisplayMode mode; |
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89 SDL_Event event; |
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90 Uint32 then, now, frames; |
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91 |
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92 /* Initialize parameters */ |
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93 fsaa = 0; |
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94 accel = 0; |
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95 |
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96 /* Initialize test framework */ |
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97 state = CommonCreateState(argv, SDL_INIT_VIDEO); |
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98 if (!state) { |
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99 return 1; |
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100 } |
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101 for (i = 1; i < argc;) { |
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102 int consumed; |
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103 |
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104 consumed = CommonArg(state, i); |
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105 if (consumed == 0) { |
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106 if (SDL_strcasecmp(argv[i], "--fsaa") == 0) { |
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107 ++fsaa; |
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108 consumed = 1; |
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109 } else if (SDL_strcasecmp(argv[i], "--accel") == 0) { |
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110 ++accel; |
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111 consumed = 1; |
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112 } else { |
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113 consumed = -1; |
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114 } |
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115 } |
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116 if (consumed < 0) { |
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117 fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0], |
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118 CommonUsage(state)); |
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119 quit(1); |
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120 } |
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121 i += consumed; |
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122 } |
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123 |
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124 /* Set OpenGL parameters */ |
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125 state->window_flags |= SDL_WINDOW_OPENGL; |
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126 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5); |
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127 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5); |
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128 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); |
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129 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); |
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130 if (fsaa) { |
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131 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); |
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132 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa); |
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133 } |
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134 if (accel) { |
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135 SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1); |
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136 } |
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137 if (!CommonInit(state)) { |
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138 quit(2); |
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139 } |
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140 |
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141 /* Create OpenGL context */ |
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142 context = SDL_GL_CreateContext(state->windows[0]); |
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143 if (!context) { |
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144 fprintf(stderr, "SDL_GL_CreateContext(): %s\n", SDL_GetError()); |
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145 quit(2); |
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146 } |
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147 |
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148 if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) { |
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149 SDL_GL_SetSwapInterval(1); |
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150 } else { |
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151 SDL_GL_SetSwapInterval(0); |
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152 } |
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153 |
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154 SDL_GetCurrentDisplayMode(&mode); |
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155 printf("Screen BPP: %d\n", SDL_BITSPERPIXEL(mode.format)); |
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156 printf("\n"); |
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157 printf("Vendor : %s\n", glGetString(GL_VENDOR)); |
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158 printf("Renderer : %s\n", glGetString(GL_RENDERER)); |
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159 printf("Version : %s\n", glGetString(GL_VERSION)); |
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160 printf("Extensions : %s\n", glGetString(GL_EXTENSIONS)); |
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161 printf("\n"); |
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162 |
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163 SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value); |
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164 printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value); |
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165 SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value); |
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166 printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value); |
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167 SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value); |
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168 printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value); |
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169 SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value); |
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170 printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value); |
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171 if (fsaa) { |
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172 SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value); |
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173 printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value); |
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174 SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value); |
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175 printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, |
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176 value); |
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177 } |
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178 if (accel) { |
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179 SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value); |
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180 printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value); |
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181 } |
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182 |
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183 /* Set rendering settings */ |
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184 glMatrixMode(GL_PROJECTION); |
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185 glLoadIdentity(); |
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186 glOrthof(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0); |
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187 glMatrixMode(GL_MODELVIEW); |
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188 glLoadIdentity(); |
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189 glEnable(GL_DEPTH_TEST); |
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190 glDepthFunc(GL_LESS); |
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191 glShadeModel(GL_SMOOTH); |
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192 |
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193 /* Main render loop */ |
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194 frames = 0; |
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195 then = SDL_GetTicks(); |
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196 done = 0; |
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197 while (!done) { |
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198 /* Check for events */ |
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199 ++frames; |
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200 while (SDL_PollEvent(&event)) { |
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201 CommonEvent(state, &event, &done); |
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202 } |
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203 for (i = 0; i < state->num_windows; ++i) { |
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204 int w, h; |
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205 SDL_GL_MakeCurrent(state->windows[i], context); |
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206 SDL_GetWindowSize(state->windows[i], &w, &h); |
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207 glViewport(0, 0, w, h); |
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208 Render(); |
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209 SDL_GL_SwapWindow(state->windows[i]); |
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210 } |
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211 } |
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212 |
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213 /* Print out some timing information */ |
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214 now = SDL_GetTicks(); |
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215 if (now > then) { |
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216 printf("%2.2f frames per second\n", |
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217 ((double) frames * 1000) / (now - then)); |
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218 } |
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219 quit(0); |
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220 return 0; |
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221 } |
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222 |
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223 #else /* HAVE_OPENGLES */ |
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224 |
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225 int |
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226 main(int argc, char *argv[]) |
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227 { |
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228 printf("No OpenGL ES support on this system\n"); |
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229 return 1; |
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230 } |
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231 |
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232 #endif /* HAVE_OPENGLES */ |